JP2021049763A - Image formation device and paper feeding system - Google Patents

Image formation device and paper feeding system Download PDF

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JP2021049763A
JP2021049763A JP2019175898A JP2019175898A JP2021049763A JP 2021049763 A JP2021049763 A JP 2021049763A JP 2019175898 A JP2019175898 A JP 2019175898A JP 2019175898 A JP2019175898 A JP 2019175898A JP 2021049763 A JP2021049763 A JP 2021049763A
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Prior art keywords
paper feeding
image forming
main body
connecting portion
forming apparatus
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Granted
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JP2019175898A
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JP7341823B2 (en
Inventor
洋二 操
Yoji Misao
洋二 操
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Canon Inc
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Canon Inc
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Priority to JP2019175898A priority Critical patent/JP7341823B2/en
Priority to US17/026,006 priority patent/US11613438B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/26—Supports or magazines for piles from which articles are to be separated with auxiliary supports to facilitate introduction or renewal of the pile
    • B65H1/266—Support fully or partially removable from the handling machine, e.g. cassette, drawer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/44—Simultaneously, alternately, or selectively separating articles from two or more piles
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6502—Supplying of sheet copy material; Cassettes therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1604—Arrangement or disposition of the entire apparatus
    • G03G21/1619—Frame structures
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
    • G03G21/1695—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for paper transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/10—Modular constructions, e.g. using preformed elements or profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/40—Details of frames, housings or mountings of the whole handling apparatus
    • B65H2402/44—Housings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/60—Coupling, adapter or locking means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/33—Compartmented support
    • B65H2405/332—Superposed compartments

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

To provide an image formation device which enables an image formation device body and a paper feeding device or paper feeding devices to be connected easily and enables reduction of the work time for the connection.SOLUTION: An image formation device has: an image formation device body which a paper cassette storing recording materials may be attached to or detached from and which has an image formation part capable of forming images on the recording materials; and a paper feeding device on which the image formation device body is stacked below the paper cassette. The image formation device is provided with a connection part which connects the image formation device body with the paper feeding device. The image formation device body and the paper feeding device are connected by the connection part in a space formed when the paper cassette is removed from the image formation device body.SELECTED DRAWING: Figure 1

Description

本発明は、画像形成装置および給紙システムに関するものである。 The present invention relates to an image forming apparatus and a paper feeding system.

電子写真方式によって用紙に画像を形成する画像形成装置では、機器の設置面積を小さくする省スペース化が望まれており、給紙装置に画像形成装置本体や別の給紙装置を積み重ねられるものが多くなっている。積み重ねられた画像形成装置と給紙装置または給紙装置同士は、運搬時や地震の際に装置同士が外れることの防止するために、画像形成装置と給紙装置または給紙装置同士が動かないように連結することがある。例えば、画像形成装置と給紙装置の連結部を目隠しするカバーを外して、装置内側に向けてネジを締めることで画像形成装置と給紙装置を連結する構成が開示されている（特許文献１）。この構成では、作業者は目隠しカバーを外す手間がかかることに加え、目隠しカバーを紛失したり付け忘れたりする恐れがある。 In an image forming apparatus that forms an image on paper by an electrophotographic method, it is desired to save space by reducing the installation area of the equipment, and an image forming apparatus main body or another paper feeding device can be stacked on the paper feeding device. There are many. The stacked image forming device and the paper feeding device or the feeding device do not move between the image forming device and the paper feeding device or the feeding device in order to prevent the devices from coming off during transportation or an earthquake. It may be connected as follows. For example, there is disclosed a configuration in which the image forming apparatus and the feeding apparatus are connected by removing the cover that blinds the connecting portion between the image forming apparatus and the paper feeding apparatus and tightening a screw toward the inside of the apparatus (Patent Document 1). ). In this configuration, the operator takes time and effort to remove the blindfold cover, and there is a risk that the blindfold cover may be lost or forgotten to be attached.

特開２０１７−７４７７４号公報JP-A-2017-74774

近年、プリンタや複写機などの画像形成装置は、設置作業やメンテナンスにかかる時間を短縮することが求められており、画像形成装置と給紙装置または給紙装置同士を簡便に連結でき、連結するための作業時間を短縮できる構成が求められている。本発明は、上記従来の問題点に鑑みてなされたものであり、画像形成装置本体と給紙装置または給紙装置同士を簡便に連結でき、連結するための作業時間を短縮することができる構成に係るものである。 In recent years, image forming devices such as printers and copiers have been required to reduce the time required for installation work and maintenance, and the image forming device and the paper feeding device or the feeding device can be easily connected to each other. There is a demand for a configuration that can shorten the work time for this. The present invention has been made in view of the above-mentioned conventional problems, and has a configuration in which an image forming apparatus main body and a paper feeding device or a paper feeding device can be easily connected to each other and the working time for connecting can be shortened. It is related to.

上記目的を達成するため、本発明に係る画像形成装置は、記録材を収容する給紙カセットが着脱可能な、記録材に画像形成可能な画像形成部を有する画像形成装置本体と、給紙カセットの下方において、画像形成装置本体が積み重ねられる給紙装置と、を有し、画像形成装置本体と、給紙装置と、を連結する連結部が設けられ、画像形成装置本体から給紙カセットを取り外したときにできる空間において、連結部で画像形成装置本体と給紙装置が連結される。 In order to achieve the above object, the image forming apparatus according to the present invention includes an image forming apparatus main body having an image forming portion capable of forming an image on the recording material, to which a paper feed cassette accommodating the recording material can be attached and detached, and a paper feed cassette. Below, there is a paper feed device on which the image forming device main body is stacked, and a connecting portion for connecting the image forming device main body and the paper feeding device is provided, and the paper feed cassette is removed from the image forming device main body. The image forming apparatus main body and the paper feeding apparatus are connected by the connecting portion in the space created at the time.

また本発明に係る給紙システムは、記録材に画像形成可能な画像形成部を有する画像形成装置本体が積み重ねられる、記録材を収容する第１給紙カセットが着脱可能な第１給紙装置と、画像形成装置本体が積み重ねられた第１給紙装置が積み重ねられる、記録材を収容する第２給紙カセットが着脱可能な第２給紙装置と、を有し、第１給紙装置と、第２給紙装置と、を連結する連結部が設けられ、第１給紙装置から第１給紙カセットを取り外したときにできる空間において、連結部で第１給紙装置と第２給紙装置が連結される。 Further, the paper feed system according to the present invention includes a first paper feed device to which a first paper feed cassette accommodating a recording material can be attached and detached, on which an image forming device main body having an image forming unit capable of forming an image on the recording material is stacked. The first paper feeding device on which the image forming apparatus main body is stacked is stacked, and the second paper feeding device for accommodating the recording material is detachable. A connecting portion for connecting the second paper feeding device and the second paper feeding device is provided, and in a space created when the first paper feeding cassette is removed from the first paper feeding device, the first paper feeding device and the second paper feeding device are connected at the connecting portion. Are concatenated.

本発明によれば、画像形成装置本体と給紙装置または給紙装置同士を簡便に連結でき、連結するための作業時間を短縮することができる画像形成装置及び給紙システムを提供することができる。 According to the present invention, it is possible to provide an image forming apparatus and a feeding system capable of easily connecting an image forming apparatus main body and a paper feeding device or a paper feeding device to each other and shortening the working time for connecting them. ..

実施例１に係る連結部の斜視図Perspective view of the connecting portion according to the first embodiment 本実施形態に係る画像形成装置全体の正面断面図Front sectional view of the entire image forming apparatus according to this embodiment 実施例１に係る装置本体フレームと給紙装置の斜視図Perspective view of the apparatus main frame and the paper feeding device according to the first embodiment. 実施例１に係る給紙装置の斜視図Perspective view of the paper feed device according to the first embodiment 変形例に係る連結部の斜視図Perspective view of the connecting portion according to the modified example 変形例に係る連結部の斜視図Perspective view of the connecting portion according to the modified example

［実施例１］
（画像形成装置）
本発明を適用できる画像形成装置の一態様である装置本体２と給紙装置３について説明する。図２は、本発明に係る画像形成装置１の正面断面図であり、レーザープリンターである。なお図２では、２段積み重ねた給紙装置３に装置本体２を積み重ねた構成としている。 [Example 1]
(Image forming device)
The apparatus main body 2 and the paper feeding apparatus 3 which are one aspect of the image forming apparatus to which the present invention can be applied will be described. FIG. 2 is a front sectional view of the image forming apparatus 1 according to the present invention, which is a laser printer. In FIG. 2, the device main body 2 is stacked on the two-tiered paper feeding device 3.

装置本体２の外装カバー４があり、外装カバー４の一部には画像形成された用紙を排出するための排紙部５が設けられている。装置本体２は、排紙部５の下方に、画像信号に応じたレーザー光を出射する光学走査装置７Ａ、光学走査装置から出射されるレーザー光に応じて画像形成可能な画像形成部７Ｂ、複数枚の用紙を収容する給紙カセット９が設けられている。また装置本体２は、給紙カセット９から用紙を１枚ずつ画像形成部に向けて供給する給紙手段７Ｃの他、画像形成部において画像が形成された用紙を排紙部５に向けて搬送する排紙手段等が設けられている。尚、画像形成部７Ｂは、像担持体である感光ドラム、帯電装置、現像装置、クリーニング装置、定着装置等の各種プロセス機器によって構成されている。 There is an exterior cover 4 of the apparatus main body 2, and a paper ejection portion 5 for ejecting the image-formed paper is provided in a part of the exterior cover 4. The device main body 2 includes an optical scanning device 7A that emits a laser beam according to an image signal, an image forming section 7B that can form an image according to the laser beam emitted from the optical scanning device, and a plurality of images below the paper ejection unit 5. A paper feed cassette 9 for accommodating a sheet of paper is provided. Further, the apparatus main body 2 conveys the paper on which the image is formed in the image forming unit to the paper ejection unit 5 in addition to the paper feeding means 7C that supplies the paper one by one from the paper feed cassette 9 to the image forming unit. Paper ejection means and the like are provided. The image forming unit 7B is composed of various process devices such as a photosensitive drum as an image carrier, a charging device, a developing device, a cleaning device, and a fixing device.

装置本体２は、外装カバー４の内部には、光学走査装置７Ａ、画像形成部７Ｂ、給紙カセット９、給紙手段７Ｃ、排紙手段を支持するフレーム１０を有している。図３では、説明の便宜のため、装置本体２としてフレーム１０だけを２段積み重ねた給紙装置３に積み重ね、給紙装置３とフレーム１０を連結部２１で連結した構成を示す。フレーム１０には、ネジ３５を固定するネジ孔２８Ａ（図１（Ａ））が設けられている。 The device main body 2 has an optical scanning device 7A, an image forming unit 7B, a paper cassette 9, a paper feeding means 7C, and a frame 10 for supporting the paper discharging means inside the exterior cover 4. FIG. 3 shows a configuration in which only the frame 10 is stacked as the device main body 2 on the paper feeding device 3 in which only the frames 10 are stacked in two stages, and the paper feeding device 3 and the frame 10 are connected by the connecting portion 21. The frame 10 is provided with a screw hole 28A (FIG. 1A) for fixing the screw 35.

以上のように装置本体２では記録材は、装置下方に設けられた給紙カセット９から画像形成装置の二次転写部や定着部が設けられた右側を装置下方から装置上方へ搬送された後、排紙部５上に積載されるように装置左側に向かって排出される。したがって、給紙カセットは、記録材が搬送される方向に対して直交する方向に引き出し可能とされている。 As described above, in the apparatus main body 2, the recording material is conveyed from the paper feed cassette 9 provided below the apparatus to the right side where the secondary transfer portion and the fixing portion of the image forming apparatus are provided from the lower side of the apparatus to the upper portion of the apparatus. , The paper is discharged toward the left side of the device so as to be loaded on the paper discharge unit 5. Therefore, the paper feed cassette can be pulled out in a direction orthogonal to the direction in which the recording material is conveyed.

（給紙装置）
図４（Ａ）は、本発明に係る給紙装置３の斜視図である。給紙装置３は、用紙を積載収納して装置本体２に向けて用紙を１枚ずつ搬送供給する装置である。給紙装置３は、フレーム３Ａと、フレーム３Ａに収納された、装置前側に引出し可能な給紙カセット９と、給紙カセット９に積載された用紙を１枚ずつ搬送するための給紙部と、給紙部から搬送された用紙を装置本体２に搬送する搬送部１１と、を備えている。給紙装置３の上部にある天板１２には、複数の本体設置部１２Ａと、複数の位置決めピン１３と、ネジ孔２８Ａと、複数のボス１２Ｂと、が設けられている。具体的には、本体設置部１２Ａは、４箇所設けられ、装置本体２の荷重を支えるものである。位置決めピン１３は、２箇所設けられ、装置本体２のフレーム１０の底面にある位置決め穴と係合して、装置本体２と給紙装置３の前後左右方向を位置決めするものであり、装置の端部に配置している。ボス１２Ｂは、２箇所設けられ、ネジ孔２８Ａとボス１２Ｂは、後述する連結部２１を所定の位置に固定するためのものである。 (Paper feed device)
FIG. 4A is a perspective view of the paper feeding device 3 according to the present invention. The paper feeding device 3 is a device that loads and stores paper and conveys and supplies the paper one by one toward the device main body 2. The paper feed device 3 includes a frame 3A, a paper feed cassette 9 housed in the frame 3A that can be pulled out to the front side of the device, and a paper feed unit for transporting the paper loaded in the paper feed cassette 9 one by one. A transport unit 11 that transports the paper conveyed from the paper feed unit to the apparatus main body 2 is provided. The top plate 12 on the upper part of the paper feed device 3 is provided with a plurality of main body installation portions 12A, a plurality of positioning pins 13, screw holes 28A, and a plurality of bosses 12B. Specifically, the main body installation portions 12A are provided at four locations to support the load of the device main body 2. The positioning pins 13 are provided at two locations and engage with the positioning holes on the bottom surface of the frame 10 of the apparatus main body 2 to position the apparatus main body 2 and the paper feed device 3 in the front-rear and left-right directions. It is placed in the department. The boss 12B is provided at two locations, and the screw holes 28A and the boss 12B are for fixing the connecting portion 21 described later at a predetermined position.

給紙装置３では、記録材を装置本体２へ搬送する搬送部１１は、画像形成装置の二次転写部や定着部が設けられた右側に設けられている。また給紙装置３では、装置後側において、装置本体２と電気的な接続を行うコネクタ１４が、複数の位置決めピン１３の間、且つ複数の連結部２１の間に配置されている。 In the paper feeding device 3, the transport section 11 for transporting the recording material to the device main body 2 is provided on the right side where the secondary transfer section and the fixing section of the image forming apparatus are provided. Further, in the paper feeding device 3, on the rear side of the device, a connector 14 that electrically connects to the device main body 2 is arranged between a plurality of positioning pins 13 and between a plurality of connecting portions 21.

（連結構造の説明）
次に装置本体２と給紙装置３の連結構成について説明を行う。本実施例の連結構造では、装置本体２と給紙装置３を連結部２１で連結する。図４（Ａ）に示すように、装置本体２の後側において、左右１箇所ずつ連結部２１を配置している。図４（Ｂ）は、図４（Ａ）連結部２１を装置本体２の後側から見た拡大斜視図である。 (Explanation of connection structure)
Next, the connection configuration of the apparatus main body 2 and the paper feeding device 3 will be described. In the connection structure of this embodiment, the device main body 2 and the paper feeding device 3 are connected by the connecting portion 21. As shown in FIG. 4A, connecting portions 21 are arranged one on each side on the rear side of the apparatus main body 2. FIG. 4B is an enlarged perspective view of the connecting portion 21 of FIG. 4A as viewed from the rear side of the apparatus main body 2.

連結部２１は、Ｌ字型に曲げられたプレス成型品であり、第１部分２１Ａと第２部分２１Ｂが屈曲部２１Ｃを介して繋がった構成を有する。第１部分２１Ａは、円孔２２が形成され、第２部分２１Ｂと繋がる屈曲部２１Ｃに対して対となる他端の先端には曲げ部２３が形成されている。また第２部分２１Ｂは、円孔２４と、長孔２５と、円孔２４より直径が大きい円孔２６と、が形成されている。 The connecting portion 21 is a press-molded product bent into an L shape, and has a configuration in which the first portion 21A and the second portion 21B are connected via the bent portion 21C. A circular hole 22 is formed in the first portion 21A, and a bent portion 23 is formed at the tip of the other end paired with the bent portion 21C connected to the second portion 21B. Further, the second portion 21B is formed with a circular hole 24, an elongated hole 25, and a circular hole 26 having a diameter larger than that of the circular hole 24.

連結部２１は、給紙装置３に対して、円孔２４が一方のボス１２Ｂが係合することで位置が決められ、長孔２５が他方のボス１２Ｂが係合することで回転が規制される。このようにして、連結部２１は天板１２に対して正しい位置に配置できるように構成されている。そして連結部２１は、円孔２６を介してネジ３５が連結部２１の円孔２６に対応する位置に設けられたネジ孔２８Ａに固定されることで、は給紙装置３（天板１２）に固定される。他方で図１（Ａ）に示すように、連結部２１は、円孔２２を介してネジ１５がフレーム１０の後側板１０Ａに設けられた円孔１０Ｂに取り付けられ、装置本体２に固定される。このようにして装置本体２と給紙装置３は、連結部２１で連結された構成を有している。 The position of the connecting portion 21 is determined by engaging the circular hole 24 with the other boss 12B with respect to the paper feeding device 3, and the rotation of the elongated hole 25 is restricted by engaging the other boss 12B. To. In this way, the connecting portion 21 is configured so that it can be arranged at a correct position with respect to the top plate 12. Then, in the connecting portion 21, the screw 35 is fixed to the screw hole 28A provided at the position corresponding to the circular hole 26 of the connecting portion 21 via the circular hole 26, so that the paper feeding device 3 (top plate 12) is fixed. Is fixed to. On the other hand, as shown in FIG. 1 (A), in the connecting portion 21, the screw 15 is attached to the circular hole 10B provided in the rear side plate 10A of the frame 10 via the circular hole 22, and is fixed to the apparatus main body 2. .. In this way, the apparatus main body 2 and the paper feeding device 3 have a configuration in which they are connected by the connecting portion 21.

次に図１を用いて、装置本体２と給紙装置３を連結する工程について説明する。図１（Ａ）は、装置本体２を給紙装置３に設置した様子を示しており、図１（Ｂ）は、図１（Ａ）を右側面から見た断面図を示している。 Next, a step of connecting the apparatus main body 2 and the paper feeding apparatus 3 will be described with reference to FIG. FIG. 1A shows a state in which the apparatus main body 2 is installed in the paper feeding device 3, and FIG. 1B shows a cross-sectional view of FIG. 1A as viewed from the right side.

まず初めに連結部２１を給紙装置３の天板１２に固定する。一方のボス１２Ｂが円孔２４に、他方のボス１２Ｂが長孔２５に係合するように天板１２上に連結部２１を配置した後、円孔２６を介してネジ孔２８Ａにネジ３５を固定する。このようにして給紙装置３に連結部２１を固定する。 First, the connecting portion 21 is fixed to the top plate 12 of the paper feeding device 3. After arranging the connecting portion 21 on the top plate 12 so that one boss 12B engages with the circular hole 24 and the other boss 12B engages with the elongated hole 25, the screw 35 is inserted into the screw hole 28A via the circular hole 26. Fix it. In this way, the connecting portion 21 is fixed to the paper feeding device 3.

次に給紙装置３上に装置本体２を設置する。複数の位置決めピン１３は、装置本体２のフレーム１０に設けられた位置決め穴と係合し、装置本体２と給紙装置３の前後左右方向の位置決めを行った後、本体設置部１２Ａにより装置本体２の荷重が支持される構成とされている。本実施例では、２つの位置決めピン１３の間に連結部２１を配置し、連結部２１の円孔２２とフレーム１０の円孔１０Ｂの位置がズレることを抑制できるようにしている。 Next, the device main body 2 is installed on the paper feed device 3. The plurality of positioning pins 13 engage with positioning holes provided in the frame 10 of the device main body 2, position the device main body 2 and the paper feeding device 3 in the front-rear and left-right directions, and then use the main body installation unit 12A to position the device main body. It is configured to support the load of 2. In this embodiment, the connecting portion 21 is arranged between the two positioning pins 13 so that the positions of the circular hole 22 of the connecting portion 21 and the circular hole 10B of the frame 10 can be suppressed from being displaced.

また、このとき、連結部２１の第１部分２１Ａと装置本体２のフレーム１０の後側面とが隣接するように、本実施例ではフレーム１０の後側面に対して第１部分２１Ａが装置内側（装置前側、一方側）に位置するように構成されている。このため曲げ部２３は、屈曲部２１Ｃから離れるにつれて、すなわち装置本体２へ近づくにつれて、装置外側（装置後側）から装置内側（装置前側、一方側）へ向かう形状を有する。このように第１部分２１Ａは、給紙装置３上に装置本体２を配置する際に、フレーム１０と干渉しないように構成されている。つまり曲げ部２３は、給紙装置３上に装置本体２を配置する際にフレーム１０が摺動するようにして、フレーム１０を所定の位置へ案内できるように構成されている。 Further, at this time, in this embodiment, the first portion 21A is inside the device with respect to the rear side surface of the frame 10 so that the first portion 21A of the connecting portion 21 and the rear side surface of the frame 10 of the device main body 2 are adjacent to each other. It is configured to be located on the front side and one side of the device. Therefore, the bent portion 23 has a shape that goes from the outside of the device (rear side of the device) to the inside of the device (front side of the device, one side) as it moves away from the bent portion 21C, that is, approaches the main body 2. As described above, the first portion 21A is configured so as not to interfere with the frame 10 when the apparatus main body 2 is arranged on the paper feeding device 3. That is, the bent portion 23 is configured so that the frame 10 slides when the device main body 2 is arranged on the paper feeding device 3 so that the frame 10 can be guided to a predetermined position.

そして、連結部２１を装置本体２に固定し、装置本体２と給紙装置３を連結部２１で連結する。連結部２１の円孔２２を介してネジ１５をフレーム１０の後側板１０Ａに設けられた円孔１０Ｂに取り付け、装置本体２に給紙装置３を固定する。本実施例では、ネジ１５を締める際には、図１（Ｃ）のように装置本体２の給紙カセット９を装置外側へ取り外してできる空間２７からドライバ等の工具３０を入れてネジ止めしている。つまり言い換えると、装置本体２の給紙カセット９を装置外側へ取り外してできる空間２７に、固定手段であるネジ１５を設け、連結部２１を装置本体２に固定し、装置本体２と給紙装置３を連結部２１で連結する。 Then, the connecting portion 21 is fixed to the device main body 2, and the device main body 2 and the paper feeding device 3 are connected by the connecting portion 21. A screw 15 is attached to the circular hole 10B provided in the rear plate 10A of the frame 10 via the circular hole 22 of the connecting portion 21, and the paper feeding device 3 is fixed to the apparatus main body 2. In this embodiment, when tightening the screw 15, a tool 30 such as a screwdriver is inserted from the space 27 formed by removing the paper feed cassette 9 of the apparatus main body 2 to the outside of the apparatus as shown in FIG. 1 (C) and screwed. ing. That is, in other words, a screw 15 as a fixing means is provided in a space 27 where the paper feed cassette 9 of the device main body 2 can be removed to the outside of the device, the connecting portion 21 is fixed to the device main body 2, and the device main body 2 and the paper feed device are fed. 3 is connected by the connecting portion 21.

なお本実施例では連結部２１は、第１部分２１Ａに対して第２部分２１Ｂは装置前側から装置後側へ向かって延びている。またフレーム１０は、後側板１０Ａの下端に曲げ部１０Ｃが設けられ、曲げ部１０Ｃも装置前側から装置後側へ向かって延びている。このため、作業スペースは、装置本体２の給紙カセット９を装置外側へ取り外してできる空間２７であるものの、ネジ１５を取り付ける際にフレーム１０の後側板１０Ａの装置前側は干渉するものがない構成とすることができ、作業性を向上させることができる。 In this embodiment, the connecting portion 21 extends from the front side of the device to the rear side of the device with respect to the first part 21A. Further, the frame 10 is provided with a bent portion 10C at the lower end of the rear side plate 10A, and the bent portion 10C also extends from the front side of the device toward the rear side of the device. Therefore, although the work space is a space 27 that can be formed by removing the paper feed cassette 9 of the apparatus main body 2 to the outside of the apparatus, the rear side plate 10A of the frame 10 does not interfere with the front side of the apparatus when the screws 15 are attached. And workability can be improved.

以上のように、容易に着脱可能とされた給紙カセット９を装置本体２から取り外し、給紙カセット９を装置本体２から取り外してできた空間２７で、装置本体２と給紙装置３を連結する構成にあっては、非常に簡単に、短時間の作業で連結することができる。また、連結部２１は、装置本体２や給紙装置３と着脱可能であることから、連結構造を強くしたい場合にあっては、連結部２１の板厚変更や形状変更をし易く、使用者の要望に合わせて連結部２１の有無を選択することもできる。 As described above, the easily removable paper feed cassette 9 is removed from the device main body 2, and the device main body 2 and the paper feed device 3 are connected in the space 27 created by removing the paper feed cassette 9 from the device main body 2. It is very easy to connect them in a short time. Further, since the connecting portion 21 is detachable from the device main body 2 and the paper feeding device 3, it is easy to change the plate thickness and shape of the connecting portion 21 when it is desired to strengthen the connecting structure, and the user. It is also possible to select the presence or absence of the connecting portion 21 according to the request of.

さらには本実施例では、連結部２１が各部品の取り付け基準になっている後側板１０Ａと連結している。この結果、装置本体２と給紙装置３の位置精度が良い状態で連結されると同時に、後側板１０Ａの強度を高めることができる効果も得られる。 Further, in this embodiment, the connecting portion 21 is connected to the rear side plate 10A which is a mounting reference for each component. As a result, the device main body 2 and the paper feeding device 3 are connected in a state of good positional accuracy, and at the same time, the effect of increasing the strength of the rear side plate 10A can be obtained.

上記の実施例に記載されている構成部品の形状、それらの相対配置等は、発明が適用される装置の構成や各種条件により適宜変更されるべきものであり、この発明の範囲を限定するものではない。 The shapes of the components described in the above examples, their relative arrangements, and the like should be appropriately changed depending on the configuration of the apparatus to which the invention is applied and various conditions, and limit the scope of the invention. is not it.

例えば、装置本体２と給紙装置３とを連結部２１を用いて連結した画像形成装置について説明したが、これに限らず、給紙装置３同士を連結した給紙システムにおいても適用できる。この場合にあっては図３に示すように、給紙カセット９を給紙装置３から取り外してできた空間３７で連結部２１の円孔２２を介してネジ１５を給紙装置のフレーム３Ａに取り付け、給紙装置３同士を固定すればよい。 For example, the image forming apparatus in which the apparatus main body 2 and the paper feeding device 3 are connected by using the connecting portion 21 has been described, but the present invention is not limited to this, and the present invention can be applied to a paper feeding system in which the paper feeding devices 3 are connected to each other. In this case, as shown in FIG. 3, the screw 15 is inserted into the frame 3A of the paper feed device through the circular hole 22 of the connecting portion 21 in the space 37 created by removing the paper feed cassette 9 from the paper feed device 3. It may be attached and the paper feeding devices 3 may be fixed to each other.

この他、上記の実施例では初めに連結部２１を給紙装置３の天板１２に固定した後、給紙カセット９を装置本体２から取り外してできた空間２７で、連結部２１を装置本体２に固定し、装置本体２と給紙装置３を連結したがこれに限らない。例えば、連結部２１を装置本体２に固定した後、給紙カセット９を装置本体２から取り外してできた空間２７で、連結部２１を給紙装置３の天板１２に固定し、装置本体２と給紙装置３を連結してもよい。 In addition, in the above embodiment, the connecting portion 21 is first fixed to the top plate 12 of the paper feeding device 3, and then the connecting portion 21 is connected to the device main body in the space 27 created by removing the paper feed cassette 9 from the device main body 2. It is fixed to 2, and the device main body 2 and the paper feeding device 3 are connected, but the present invention is not limited to this. For example, after fixing the connecting portion 21 to the device main body 2, the connecting portion 21 is fixed to the top plate 12 of the paper feeding device 3 in the space 27 created by removing the paper feed cassette 9 from the device main body 2, and the device main body 2 And the paper feed device 3 may be connected.

さらには、上記の実施例では連結部２１の給紙装置３に対する位置決めを天板１２で行い、連結部２１をフレーム１０の後側板１０Ａに固定しているが、これに限るものではない。例えば、連結部２１を用いることなく、天板１２とフレーム１０の後側板１０Ａを固定する構成であっても良い。 Further, in the above embodiment, the connecting portion 21 is positioned with respect to the paper feeding device 3 by the top plate 12, and the connecting portion 21 is fixed to the rear side plate 10A of the frame 10, but the present invention is not limited to this. For example, without using the connecting unit 21 may be configured to fix the side plates 10 A after the top plate 12 and the frame 10.

より具体的には、図５に示すように、実施例１の天板１２と別体の連結部２１を用いることなく、天板１２から、円孔２２と、先端に曲げ部２３と、が設けられた連結部２９が突出するように形成された構成としてもよい。 More specifically, as shown in FIG. 5, the circular hole 22 and the bent portion 23 at the tip are formed from the top plate 12 without using the connecting portion 21 which is separate from the top plate 12 of the first embodiment. The configuration may be such that the provided connecting portion 29 is formed so as to project.

その他、上記実施例では、固定手段としてネジ１５を用い、連結部２１をフレーム１０の後側板１０Ａに固定したが、これに限るものではない。固定手段は、連結部２１がフレーム１０に固定できるものであれば良く、図６のように固定手段として閂を用いても良い。 In addition, in the above embodiment, the connecting portion 21 is fixed to the rear side plate 10A of the frame 10 by using the screw 15 as the fixing means, but the present invention is not limited to this. The fixing means may be any as long as the connecting portion 21 can be fixed to the frame 10, and a bar may be used as the fixing means as shown in FIG.

具体的には、円孔２２の代わりに、第１部分２１Ａに屈曲部２１Ｃから離れる方向（装置上下方向）に延びた２本の開口の間に位置する部分が装置外側から装置内側へ突出した橋状のランス形状２１Ｄを連結部２１に有する構成とされる（図６（Ａ））。また同様に、ネジ孔１０Ｂの代わりに、第１部分２１Ａを挟むように２つのランス形状１０Ｄをフレーム１０の後側板１０Ａに有する構成とされる。ランス形状１０Ｄは、装置上下方向に延びた２本の開口の間に位置する部分が装置外側から装置内側へ突出した橋状形状である。 Specifically, instead of the circular hole 22, a portion located between the two openings extending in the direction away from the bent portion 21C (vertical direction of the device) in the first portion 21A protrudes from the outside of the device to the inside of the device. The connecting portion 21 has a bridge-shaped lance shape 21D (FIG. 6 (A)). Similarly, instead of the screw holes 10B, the rear plate 10A of the frame 10 has two lance shapes 10D so as to sandwich the first portion 21A. The lance shape 10D is a bridge shape in which a portion located between two openings extending in the vertical direction of the device protrudes from the outside of the device to the inside of the device.

そして本変形例では、ランス形状１０Ｄの間にランス形状２１Ｄを形成した連結部２１が配置され、装置本体２を給紙装置３に設置するとランス形状１０Ｄとランス形状２１Ｄは略水平に並ぶように配置される。 In this modification, the connecting portion 21 having the lance shape 21D formed between the lance shapes 10D is arranged, and when the apparatus main body 2 is installed in the paper feeding device 3, the lance shape 10D and the lance shape 21D are arranged substantially horizontally. Be placed.

ここで、閂として機能するピン３１を用意する。ピン３１は、棒状部３１Ａと、位置決め孔３１Ｂと、を有する。装置本体２の給紙カセット９を装置外側へ取り外してできる空間２７で、ピン３１の棒状部を３つのランス形状１０Ｄ、２１Ｄに差し込み（図６（Ｂ））、連結部２１を装置本体２に固定する。このようにして、装置本体２と給紙装置３を連結部２１で連結する構成してもよい。なお本変形例ではさらにピン３１を回動させ、ピンの位置決め孔３１Ｂをフレーム１０の後側板１０Ａに設けたタブ１０Ｅと係合させ（図６（Ｃ））、ピン３１の棒状部３１Ａが３つのランス形状１０Ｄ、２１Ｄから抜けない構成とすることが好ましい。 Here, a pin 31 that functions as a latch is prepared. Pin 31 includes a rod portion 31 A, and the positioning hole 31B, the. In the space 27 where the paper feed cassette 9 of the apparatus main body 2 can be removed to the outside of the apparatus, the rod-shaped portion of the pin 31 is inserted into the three lance shapes 10D and 21D (FIG. 6B), and the connecting portion 21 is attached to the apparatus main body 2. Fix it. In this way, the apparatus main body 2 and the paper feeding device 3 may be connected by the connecting portion 21. In this modification, the pin 31 is further rotated to engage the pin positioning hole 31B with the tab 10E provided on the rear plate 10A of the frame 10 (FIG. 6C), and the rod-shaped portion 31A of the pin 31 is 3 It is preferable that the lance shapes 10D and 21D do not come off.

以上のように本発明の範囲において、適宜変更可能である。 As described above, it can be appropriately changed within the scope of the present invention.

１ 画像形成装置
２ 装置本体
３ 給紙装置
９ 給紙カセット
１０ フレーム
１２ 天板
１３ 位置決めピン
１５、３５ ネジ
２１ 連結部品
２１Ａ 第１部分
２１Ｂ 第２部分
２１Ｃ 屈曲部
２１Ｄ ランス形状
２２ 円孔
２３ 曲げ部
２７ 空間
２９ 連結部
３１ ピン 1 Image forming device 2 Device body 3 Paper feed device 9 Paper cassette 10 Frame 12 Top plate 13 Positioning pins 15, 35 Screws 21 Connecting parts 21A 1st part 21B 2nd part 21C Bending part 21D Lance shape 22 Circular hole 23 Bending part 27 Space 29 Connection 31 Pin

Claims (16)

記録材を収容する給紙カセットが着脱可能な、記録材に画像形成可能な画像形成部を有する画像形成装置本体と、
前記給紙カセットの下方において、前記画像形成装置本体が積み重ねられる給紙装置と、
を有する画像形成装置において、
前記画像形成装置本体と、前記給紙装置と、を連結する連結部が設けられ、
前記画像形成装置本体から前記給紙カセットを取り外したときにできる空間において、前記連結部で前記画像形成装置本体と前記給紙装置が連結される
ことを特徴とする画像形成装置。 An image forming apparatus main body having an image forming portion capable of forming an image on the recording material to which a paper cassette for accommodating the recording material can be attached and detached.
Below the paper cassette, the paper feed device on which the image forming apparatus main body is stacked and
In the image forming apparatus having
A connecting portion for connecting the image forming apparatus main body and the paper feeding apparatus is provided.
An image forming apparatus, characterized in that the image forming apparatus main body and the feeding apparatus are connected by the connecting portion in a space created when the paper feed cassette is removed from the image forming apparatus main body. 前記連結部は、前記給紙装置の上方に設けられ、前記画像形成装置本体のフレームに固定されることを特徴とする請求項１に記載の画像形成装置。 The image forming apparatus according to claim 1, wherein the connecting portion is provided above the paper feeding device and is fixed to a frame of the image forming apparatus main body. 前記給紙装置は、前記画像形成装置本体のフレームと係合する位置決め手段が複数、設けられ、
前記連結部は、前記位置決め手段の間に配置される
ことを特徴とする請求項１または２に記載の画像形成装置。 The paper feeding device is provided with a plurality of positioning means that engage with the frame of the image forming device main body.
The image forming apparatus according to claim 1 or 2, wherein the connecting portion is arranged between the positioning means. 前記画像形成装置本体のフレームは、前記連結部に対して、装置内側もしくは装置外側のいずれかに一方側に位置し、
前記連結部は、前記画像形成装置に近づくにつれて、前記一方側へ向かう形状を有することを特徴とする請求項１から３のいずれか１項に記載の画像形成装置。 The frame of the image forming apparatus main body is located on either the inside of the apparatus or the outside of the apparatus with respect to the connecting portion.
The image forming apparatus according to any one of claims 1 to 3, wherein the connecting portion has a shape toward one side as it approaches the image forming apparatus. 前記連結部は、前記給紙装置から着脱可能な構成である
ことを特徴とする請求項１から４のいずれか１項に記載の画像形成装置。 The image forming apparatus according to any one of claims 1 to 4, wherein the connecting portion has a structure that is detachable from the paper feeding device. 前記連結部は、前記画像形成装置本体に固定される第１部分と、前記給紙装置に固定される第２部分と、を備え、前記第１部分と前記第２部分が屈曲部を介して繋がった構成を有する
ことを特徴とする請求項５に記載の画像形成装置。 The connecting portion includes a first portion fixed to the image forming apparatus main body and a second portion fixed to the paper feeding device, and the first portion and the second portion are interposed via a bent portion. The image forming apparatus according to claim 5, wherein the image forming apparatus has a connected configuration. 前記画像形成装置本体から前記給紙カセットを取り外したときにできる空間の内部に設けられた固定手段で前記連結部と前記画像形成装置本体が連結され、固定されることを特徴とする請求項１から６のいずれか１項に記載の画像形成装置。 The first aspect of the present invention is that the connecting portion and the image forming apparatus main body are connected and fixed by a fixing means provided inside a space formed when the paper feed cassette is removed from the image forming apparatus main body. 6. The image forming apparatus according to any one of 6. 前記固定手段は、ネジであることを特徴とする請求項７に記載の画像形成装置。 The image forming apparatus according to claim 7, wherein the fixing means is a screw. 記録材に画像形成可能な画像形成部を有する画像形成装置本体が積み重ねられる、記録材を収容する第１給紙カセットが着脱可能な第１給紙装置と、
前記画像形成装置本体が積み重ねられた前記第１給紙装置が積み重ねられる、記録材を収容する第２給紙カセットが着脱可能な第２給紙装置と、
を有する給紙システムにおいて、
前記第１給紙装置と、前記第２給紙装置と、を連結する連結部が設けられ、
前記第１給紙装置から前記第１給紙カセットを取り外したときにできる空間において、前記連結部で前記第１給紙装置と前記第２給紙装置が連結される
ことを特徴とする給紙システム。 A first paper feeding device in which an image forming apparatus main body having an image forming portion capable of forming an image on a recording material is stacked, and a first paper feeding cassette accommodating a recording material can be attached and detached.
A second paper feed device on which the first paper feed device on which the image forming apparatus main body is stacked is stacked, and a second paper feed cassette for accommodating a recording material can be attached and detached.
In a paper feed system with
A connecting portion for connecting the first paper feeding device and the second paper feeding device is provided.
In a space created when the first paper feed cassette is removed from the first paper feed device, the first paper feed device and the second paper feed device are connected by the connecting portion. system. 前記連結部は、前記給紙装置の上方に設けられ、前記第１給紙装置のフレームに固定されることを特徴とする請求項９に記載の給紙システム。 The paper feeding system according to claim 9, wherein the connecting portion is provided above the paper feeding device and is fixed to a frame of the first paper feeding device. 前記第２給紙装置は、前記第１給紙装置のフレームと係合する位置決め手段が複数、設けられ、
前記連結部は、前記位置決め手段の間に配置される
ことを特徴とする請求項９または１０に記載の給紙システム。 The second paper feed device is provided with a plurality of positioning means that engage with the frame of the first paper feed device.
The paper feeding system according to claim 9 or 10, wherein the connecting portion is arranged between the positioning means. 前記第１給紙装置のフレームは、前記連結部に対して、装置内側もしくは装置外側のいずれかに一方側に位置し、
前記連結部は、前記第１給紙装置に近づくにつれて、前記一方側へ向かう形状を有することを特徴とする請求項９から１１のいずれか１項に記載の給紙システム。 The frame of the first paper feeding device is located on either the inside of the device or the outside of the device with respect to the connecting portion.
The paper feeding system according to any one of claims 9 to 11, wherein the connecting portion has a shape toward one side as it approaches the first paper feeding device. 前記連結部は、前記第２給紙装置から着脱可能な構成である
ことを特徴とする請求項９から１２のいずれか１項に記載の給紙システム。 The paper feeding system according to any one of claims 9 to 12, wherein the connecting portion has a structure that is detachable from the second paper feeding device. 前記連結部は、前記第１給紙装置に固定される第１部分と、前記第２給紙装置に固定される第２部分と、を備え、前記第１部分と前記第２部分が屈曲部を介して繋がった構成を有する
ことを特徴とする請求項１３に記載の給紙システム。 The connecting portion includes a first portion fixed to the first paper feeding device and a second portion fixed to the second paper feeding device, and the first portion and the second portion are bent portions. The paper feeding system according to claim 13, further comprising a configuration connected via. 前記第１給紙装置から前記第１給紙カセットを取り外したときにできる空間の内部に設けられた固定手段で前記連結部と前記第１給紙装置が連結され、固定されることを特徴とする請求項９から１４のいずれか１項に記載の給紙システム。 It is characterized in that the connecting portion and the first paper feeding device are connected and fixed by a fixing means provided inside a space created when the first paper feeding cassette is removed from the first paper feeding device. The paper feeding system according to any one of claims 9 to 14. 前記固定手段は、ネジであることを特徴とする請求項１５に記載の給紙システム。 The paper feeding system according to claim 15, wherein the fixing means is a screw.
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